User Mode
Cha pte r B
Cha pte r B
6.1.11 Elevation upper limit With cranes whose moment detection is the differential pressure detection type, the moment detection becomes no longer possible when the elevating stroke end is reached. This function stops the elevation before the raising stroke end is reached. When the raising stroke end is reached, an overload status is reached, and then the lowering operation becomes prohibited, making the stowing impossible. Therefore, at the angle B° or more than the ones specified in the table below, the elevation lowering is allowed even when the moment value is 100% or more. Stop condition: Detected boom angle ≥ Boom raising stop angle A° GR-130N-1
GR-160N-3
GR-250N-3
GR-700N-1
Angle A°
82.0
82.5
84.2
84.0
Angle B°
80.9
81.4
83.3
83.2
Cancel: 100% stop cancel (Di6: ON) Code at stop: W0055 “Stopped by elevating cylinder stroke end” Stop operation: Main winch
Aux. winch
Boom telescoping
Boom elevation
Jib telescoping
Up
Up
Ext.
Rse.
Ext.
Down
Down
Ret.
Lwr.
Ret.
Jib tilt Rse.
×
B - 54
W301-0481E
Lwr.
Slewing Right
Left
Jib mounting Ext.
Stw.
